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Which of the following corrosion test is most reliable to know the extent of pitting corrosion?

Which of the following corrosion test is most reliable to know the extent of pitting corrosion? Correct Answer To measure the maximum depth of a pit

The measurement of maximum depth of pit would be a more reliable way of expressing pitting corrosion. As metal loss or metal gain (corrosion product) is very small and does not indicate the depth of penetration.

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